Period
to 18 July 2018

The median contractor rate for a Senior Developer was £488 per day in advertised job vacancies in Hertfordshire during the 6 months to 18 July 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Senior Developer
East of England > Hertfordshire
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 71 65 76
Rank change year-on-year -6 +11 +2
Contract jobs requiring a Senior Developer 29 28 14
As % of all contract IT jobs advertised in Hertfordshire 1.86% 2.22% 1.00%
As % of the Job Titles category 1.97% 2.37% 1.04%
Number of daily rates quoted 30 28 8
Hertfordshire median daily rate £488 £550 £458
Median daily rate % change year-on-year -11.36% +20.22% -3.68%
10th Percentile £336 £263 £413
90th Percentile £569 £613 £523
East of England median daily rate £519 £500 £438
% change year-on-year +3.75% +14.29% -2.78%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Hertfordshire. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Hertfordshire
Contract vacancies in Hertfordshire with a recognized job title 1,473 1,180 1,345
% of contract IT jobs with a recognized job title 94.36% 93.73% 96.07%
Number of daily rates quoted 818 618 702
Hertfordshire median daily rate £400 £400 £400
10th Percentile £174 £200 £213
90th Percentile £550 £579 £538
East of England median daily rate £425 £405 £400
% change year-on-year +4.94% +1.25% +6.67%
Number of hourly rates quoted 137 119 75
Hertfordshire median hourly rate £16.00 £15.50 £16.00
Median hourly rate % change year-on-year +3.23% -3.13% -7.25%
10th Percentile £11.37 £10.48 £9.00
90th Percentile £42.70 £48.12 £52.25
East of England median hourly rate £16.50 £17.50 £20.32
% change year-on-year -5.71% -13.88% +1.60%

Senior Developer
Job Vacancy Trend in Hertfordshire

Job postings that featured Senior Developer in the job title as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Senior Developer in Hertfordshire

Senior Developer
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Senior Developer in Hertfordshire.

Contractor daily rate trend for Senior Developer in Hertfordshire

Senior Developer
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Senior Developer in Hertfordshire over the 6 months to 18 July 2018.

Contractor daily rate histogram for Senior Developer in Hertfordshire

Senior Developer
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Senior Developer in Hertfordshire.

Contractor hourly rate trend for Senior Developer in Hertfordshire

Senior Developer
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior Developer within the Hertfordshire region over the 6 months to 18 July 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City - 11 £563 - 2
Watford -1 7 £400 +45.45% 2
St Albans - 5 £350 - 3
Senior Developer
East of England

Senior Developer Skill Set
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 18 July 2018, Senior Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region featuring Senior Developer in the job title.

1 18 (62.07%) TDD
1 18 (62.07%) Java
2 17 (58.62%) Continuous Integration
3 16 (55.17%) Agile Software Development
4 14 (48.28%) Microservices
4 14 (48.28%) Continuous Delivery
4 14 (48.28%) Java 8
5 13 (44.83%) REST
6 11 (37.93%) E-Commerce
7 10 (34.48%) Scrum
7 10 (34.48%) SQL
7 10 (34.48%) SOAP
7 10 (34.48%) Kanban
8 9 (31.03%) C#
8 9 (31.03%) DevOps
9 8 (27.59%) .NET
9 8 (27.59%) JavaScript
10 7 (24.14%) HTML
10 7 (24.14%) SQL Server
10 7 (24.14%) MySQL
10 7 (24.14%) BDD
11 6 (20.69%) MVC
11 6 (20.69%) ASP.NET
11 6 (20.69%) Jenkins
12 5 (17.24%) CSS
12 5 (17.24%) Linux
12 5 (17.24%) Amazon AWS
12 5 (17.24%) Retail
13 4 (13.79%) RabbitMQ
13 4 (13.79%) Kafka

Senior Developer Skill Set
Co-occurring IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (6.90%) JBoss
1 2 (6.90%) Oracle SOA Suite
2 1 (3.45%) Apache
2 1 (3.45%) nginx
2 1 (3.45%) SharePoint
2 1 (3.45%) SharePoint 2013
Business Applications
1 2 (6.90%) BusinessWorks
2 1 (3.45%) Magento
Cloud Services
1 5 (17.24%) Amazon AWS
2 2 (6.90%) Microsoft Azure
3 1 (3.45%) Office 365
Database & Business Intelligence
1 7 (24.14%) MySQL
1 7 (24.14%) SQL Server
2 3 (10.34%) NoSQL
2 3 (10.34%) Relational Database
3 2 (6.90%) Apache Cassandra
3 2 (6.90%) MongoDB
3 2 (6.90%) RDBMS
4 1 (3.45%) Data Warehouse
4 1 (3.45%) SQL Server 2016
4 1 (3.45%) SQL Server Integration Services
4 1 (3.45%) SQL Server Reporting Services
4 1 (3.45%) SSDT
Development Applications
1 6 (20.69%) Jenkins
2 4 (13.79%) JUnit
3 3 (10.34%) Git (software)
3 3 (10.34%) Mockito
4 2 (6.90%) Visual Studio
5 1 (3.45%) Appium
5 1 (3.45%) Cucumber
5 1 (3.45%) Gradle
5 1 (3.45%) Maven
5 1 (3.45%) SQL Server Management Studio (SSMS)
5 1 (3.45%) Team Foundation Server
5 1 (3.45%) Vagrant
5 1 (3.45%) Visual Studio Code
5 1 (3.45%) WebDriver
General
1 5 (17.24%) Retail
2 1 (3.45%) Finance
2 1 (3.45%) Games
Libraries, Frameworks & Software Standards
1 13 (44.83%) REST
2 10 (34.48%) SOAP
3 8 (27.59%) .NET
4 7 (24.14%) HTML
5 6 (20.69%) ASP.NET
6 5 (17.24%) CSS
7 4 (13.79%) JMS
7 4 (13.79%) Kafka
7 4 (13.79%) RabbitMQ
8 3 (10.34%) RESTful
8 3 (10.34%) Spring
8 3 (10.34%) Web Services
9 2 (6.90%) ActiveMQ
9 2 (6.90%) AngularJS
9 2 (6.90%) HTML5
9 2 (6.90%) J2EE
9 2 (6.90%) JAX-RS
9 2 (6.90%) Node.js
9 2 (6.90%) Oracle Fusion
9 2 (6.90%) Twitter Bootstrap
Miscellaneous
1 3 (10.34%) Greenfield Project
1 3 (10.34%) Self-Motivation
2 2 (6.90%) Data Centre
Operating Systems
1 5 (17.24%) Linux
2 2 (6.90%) CentOS
2 2 (6.90%) Fedora
2 2 (6.90%) Red Hat Enterprise Linux
2 2 (6.90%) Ubuntu
Processes & Methodologies
1 18 (62.07%) TDD
2 17 (58.62%) Continuous Integration
3 16 (55.17%) Agile Software Development
4 14 (48.28%) Continuous Delivery
4 14 (48.28%) Microservices
5 11 (37.93%) E-Commerce
6 10 (34.48%) Kanban
6 10 (34.48%) Scrum
7 9 (31.03%) DevOps
8 7 (24.14%) BDD
9 6 (20.69%) MVC
10 4 (13.79%) OOP
11 3 (10.34%) OO
11 3 (10.34%) Pair Programming
11 3 (10.34%) Problem-Solving
11 3 (10.34%) Software Engineering
12 2 (6.90%) CQRS
12 2 (6.90%) Domain-Driven Design
12 2 (6.90%) Secure Coding
12 2 (6.90%) Web Development
Programming Languages
1 18 (62.07%) Java
2 14 (48.28%) Java 8
3 10 (34.48%) SQL
4 9 (31.03%) C#
5 8 (27.59%) JavaScript
6 3 (10.34%) C++
6 3 (10.34%) Groovy
7 2 (6.90%) C
8 1 (3.45%) PHP
8 1 (3.45%) PowerShell
Qualifications
1 1 (3.45%) Degree
Quality Assurance & Compliance
1 3 (10.34%) QA
Vendors
1 2 (6.90%) Capita
1 2 (6.90%) IBM
1 2 (6.90%) MuleSoft
1 2 (6.90%) Oracle
1 2 (6.90%) Red Hat
1 2 (6.90%) Salesforce.com
1 2 (6.90%) SAP
1 2 (6.90%) Siebel
1 2 (6.90%) TIBCO
1 2 (6.90%) webMethods
1 2 (6.90%) WSO2
2 1 (3.45%) Nintex
2 1 (3.45%) Zend